(navigation image)
Home American Libraries | Canadian Libraries | Universal Library | Community Texts | Project Gutenberg | Children's Library | Biodiversity Heritage Library | Additional Collections
Search: Advanced Search
Anonymous User (login or join us)
Upload
See other formats

Full text of "Rapid Population Growth Consequences And Policy Implications"

followed!) have been described in three books by Douglas and his co-workers (33, 34, 35), and in numerous articles.*
They found that differences in the growth of children associated with family size were not limited to the lower social classes and were established by age 4! in both sexes (33). Douglas and Simpson have reported the findings at ages 7, 11, and 15 in 1,456 girls and 1,557 boys from their original sample (36). As is apparent in Table 5, differences associated with social class
TABLE 5
Unadjusted Average (Mean) Heights (in Inches) of Boys and Girls, by Social Class and Number of Sibs, Great Britain, 1953-1961
Boys						Girls		
Number of Sibs						Number of Sibs		
Socioeconomic Class	0	1	2	3 or More	0	1	2	3 or More
Upper middle Lower middle Upper manual Lower manual	47.17 47.82 47.93 48.15	48.23 47.62 47.59 47.20	47.72 47.51 47.15 47.07	AT 7 YEARS 48.65      47.71 47.41      48.03 46.79     48.35 46.29     47.61		48.12 47.67 46.95 46.89	47.79 47.14 46.94 46.48	47.13 46.57 46.14 45.99
				AT 11	YEARS			
Upper middle Lower middle Upper manual Lower manual	55.13 55.98 55.70 57.15	56.40 55.94 55.43 55.34	55.75 55.36 55.27 54.88	56.65 55.26 54.54 54.48	55.86 57.07 56.72 56.03	56.59 56.28 55.45 55.14	56.13 55.62 55.78 54.76	55.78 55.04 54.14 54.14
				AT 15	YEARS			
Upper middle Lower middle Upper manual Lower manual	63.43 64.73 64.40 64.53	64.77 64.26 63.52 63.64	63.59 63.95 63.56 63.48	65.03 63.44 62.75 62.56	62.82 62.85 62.84 62.23	63.43 63.34 61.90 62.33	63.10 62.63 62.61 62.02	62.78 62.23 61.78 61.57
Source: Douglas and Simpson (36).
were found at all ages. An association between height and family size was not apparent in the upper middle class (professional, salaried, or self-employed men with wives from similar backgrounds) but became increasingly apparent with each descent on the social class scale, reaching its maximum in the manual classes. It is noteworthy, however, that only children of both sexes, in all social classes, and at all ages appear to grow equally well.
*Sec bibliography in (35).